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		<title>列表练习</title>
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			<ol>
				<li>Windows 95</li>
				<li>Windows 98</li>
				<li>Windows NT
					<dt>
						<ul type="disc"><li>Windows NT Workstation</li></ul>
					</dt>
					<dt>
						<ul type="disc"><li>Windows NT Server</li></ul>
					</dt>
				</li>
				<li>Windows Me</li>
				<li>Windows 2000			
					<dt>
						<ul type="disc"><li>Windows 2000 Professional</li></ul>
						</dt>
					<dt>
						<ul type="disc"><li>Windows 2000 Server</li></ul>
					</dt>
					<dt>
						<ul type="disc"><li>Windows 2000 Advanced Server</li></ul>
					</dt>
				</li>
				<li>Windows XP
					<dt>
						<ul type="disc"><li>Windows XP Home Edition</li></ul>
					</dt>
					<dt>
						<ul type="disc"><li>Windows XP Professional</li></ul>
					</dt>
				</li>
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